What Does Mass Effect On Thecal Sac Mean

Mass effect on thecal sac refers to compression or displacement of the dural sac (thecal sac) surrounding the spinal cord and nerve roots, typically caused by a space-occupying lesion such as a herniated disc, tumor, or abscess. It is a key radiological finding in spinal imaging that indicates potential neurological compromise.

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What Does A Private Number Mean

A private number is a telephone call where the caller deliberately blocks their phone number from being displayed on the recipient’s caller ID. This is commonly achieved by dialing a prefix such as *67 before the number or through permanent settings on the phone or carrier account. Private numbers are used for privacy, security, or anonymity, but they can also be associated with spam or nuisance calls.

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What Does Quattro Mean On An Audi

Quattro on an Audi refers to the brand’s all-wheel-drive (AWD) system, designed to improve traction and handling by distributing power to all four wheels. Introduced in the early 1980s, Quattro has become a key feature in many Audi vehicles, enhancing performance and safety in various driving conditions.

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